<%= form_for @person do |f| %>
  <div class="form-group">
    <%= f.label :first_name %>
    <%= f.text_field :first_name, class: "form-control", placeholder: "Enter a First Name" %>
  </div>
  <div class="form-group">
    <%= f.label :last_name %>
    <%= f.text_field :last_name, class: "form-control", placeholder: "Enter a Last Name" %>
  </div>
  <%= f.submit class: "btn btn-primary" %>
<% end %>